#include <stdio.h>

int a[4],flag,count;
void main()
{
    int b1,b2,i,j,k=0,p,c;
    printf("Game Begin\n");
    printf("Now guess your number inmind is ####.\n");
    for(i=1;i<10&&k<4;i++)
    {
        printf("No.%d: your number may be:%d%d%d%d\n",++count,i,i,i,i);
        printf("How many digits have had correctly guessed:");
        scanf("%d",&p);
        for(j=0;j<p;j++)
            a[k+j]=i;
        k+=p;
    }
    if(k<4)
        for(j=k;j<4;j++)
            a[j]=1;
    i=0;
    printf("No.%d:your number ma be:%d%d%d%d\n",++count,a[0],a[1],a[2],a[3]);
    printf("How many are in exact positions:");
    scanf("%d",&b1);
    if(b1==4)
    {
        prt();
        exit(0);
    }
    for(flag=1,j=0;j<3&&flag;j++)
        for(k=j+1;k<4&&flag;k++)
            if(a[j]!=a[k])
            {
                c=a[j];
                a[j]=a[k];
                a[k]=c;
                printf("No.%d:your number may bee:%d%d%d%d\n",++count,a[0],a[1],a[2],a[3]);
                printf("How many are in exact positions:");
                scanf("%d",&b2);
                if(b2==4)
                {
                    prt();
                    flag=0;
                }
                else if(b2-b1==2)
                    bhdy(j,k);
                
                else if(b2-b1==-2)
                {
                    c=a[j];
                    a[j]=a[k];
                    a[k]=c;
                    bhdy(j,k);
                }
                else if(b2<=b1)
                {
                    c=a[j];
                    a[j]=a[k];
                    a[k]=c;
                }
                else
                    b1=b2;
            }
    if(flag)
        printf("You input error!\n");
}
void prt()
{
    printf("Now your number must be %d%d%d%d.\n",a[0],a[1],a[2],a[3]);
    printf("Game Over\n");
}
void bhdy(int s,int b)
{
    int i,c ,d[2];
    for(i=0;i<4;i++)
        if(i!=s&&i!=b)
            d[c++]=i;
    i=a[d[1]];a[d[1]]=a[d[0]];a[d[0]]=i;
    prt();
    flag=0;
}